[PATCH net] net: dsa: mv88e6xxx: silently accept the deletion of VID 0 too

The blamed commit modified the driver to accept the addition of VID 0
without doing anything, but deleting that VID still fails:

[   32.080780] mv88e6085 d0032004.mdio-mii:10 lan8: failed to kill vid 0081/0

Modify mv88e6xxx_port_vlan_leave() to do the same thing as the addition.

Fixes: b8b79c414eca ("net: dsa: mv88e6xxx: Fix adding vlan 0")
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
---
 drivers/net/dsa/mv88e6xxx/chip.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 061271480e8a..448dcfb0955f 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c

@@ -2176,7 +2176,7 @@ static int mv88e6xxx_port_vlan_leave(struct mv88e6xxx_chip *chip,
 	int i, err;
 
 	if (!vid)
-		return -EOPNOTSUPP;
+		return 0;
 
 	err = mv88e6xxx_vtu_get(chip, vid, &vlan);
 	if (err)

-- 
2.25.1

Hello:

This patch was applied to netdev/net.git (refs/heads/master):

On Thu, 22 Jul 2021 16:05:51 +0300 you wrote:

The blamed commit modified the driver to accept the addition of VID 0
without doing anything, but deleting that VID still fails:

[   32.080780] mv88e6085 d0032004.mdio-mii:10 lan8: failed to kill vid 0081/0

Modify mv88e6xxx_port_vlan_leave() to do the same thing as the addition.

[...]

Here is the summary with links:
  - [net] net: dsa: mv88e6xxx: silently accept the deletion of VID 0 too
    https://git.kernel.org/netdev/net/c/c92c74131a84

You are awesome, thank you!
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